PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10367743-6 1999 RESULTS: Caspase activation, poly(ADP-ribose) polymerase degradation and Bax membrane insertion were initiated rapidly following etoposide removal, concomitantly with cell cycle arrest. Etoposide 129-138 poly(ADP-ribose) polymerase 1 Homo sapiens 29-56